Work-gage for type-writers.



N0. 830,047. PATENTED SEPT. 4, v1906. H. D. BOLTON. WORK GAGE POR TYPE WRITERS. APPLIGATION FILED Nov. 28. 1905.

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PATENTED SEPT. 4, 1906.

H. D. BOLTON. WORK 'GAGE FOR TYPE WRITERS.

APPLICATION FILED NOV. 28, 1905.

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, in a flat spread-out conditionupon a j platen over which a downwardly-acting writ- UNTTE STATES DELAlYARE.

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ASSIGNOR TO ELLIOTT- CORPORATTON OF WORK-GAGE Fon TYPE-WRITERS..

Specification of Letters Patent.

Patented Sept. 4, 1906.

Application filed November 28, 1905. Serial No. 289,462.

T0 @ZZ whom, it may concern:

Be it known that I, HERBERT D. BOLTON, a citizen of the United States, residing at New York, in the county of New York and State of New York, have invented a new and useful Vork-Gage for Type-Writers, of which the following is a specification.

This invention relates particularly to typewriting machines of that class in which the sheet or page to be printed upon is supported fiat ing mechanism is movably supported upon an open frame. A machine of this character is exemplified in Letters Patent No. 620,125, issued to Hatch and Hillard February 2%, 1899.

The object of the invention is to provide means for facilitating the adjustment, retention, and replacement of the work sheet or sheets upon the platen. To the attainment of this end a work-gage or abutment isyieldingly mounted along one or more edges of the platen beneath the overlying machine-supporting frame, which when lowered upon the platen depresses the gage and clamps securely the work sheet or element supported by the platen and having one or more edges thereof abutted against the work-gage.

The invention also consists in providing the gage abutment or abutments with means facilitating the attachment thereof to the platen and the adjustment of the parts to their most effective positions.

The invention also consists in certain details of construction and arrangement to be hereinafter described, illustrated in the accompanying drawings, and succinctly defined in the appended claims. j

In the accompanying drawings, Figure 1 is a sectional view of a type-writer platen, the supporting-base thereof, and the overlying machine-supporting frame, the platen being equipped with a Work-gage in accordance with my invention, and an Elliott-Fisher type-writing machine being indicated in dotted lines. Fig. 2 is a similar view on a somewhat enlarged scale, but showing the machine-supporting frame raised and the workgage elevated to facilitate the positioning of the work-sheet upon the platen. Fig. 8 is a perspective view of the work-gage and platen, the latter being indicated in dotted lines; and Fig. 4 is a plan view of a platen equipped with gage-abutments along both side edges and the front edge thereof, the position of the machine-supporting frame being indicated in dotted lines.

1 indicates a fiat platen of usual construction supported by suitable means above a base 2.' The platen here shown is of the swinging type adapted to be used for bookwork, but so far as the present invention is concerned the platen may be held stationary and, in fact, is so held when the machine is used for loose-leaf work alone. The open machine-supporting frame 3, hinged at its rear end, overlaps the longitudinal edges of the platen, as shown in Fig. 1, to confine one or both side edges of the Work-sheet 4 and supports the type-writing machine 5. As is well understood in the art, the machine 5 includes type-writing mechanism movable laterally and longitudinally of the platen for letter and line spacing and acting downwardly through the machine-supporting frame to the surface of the platen.

Extended along the left-hand edge of the platen 1 is a work-gage or gage-abutment 6 in the form of a strip of metal or other suitable material carried at the outer ends of a pair of spring-arms 7, secured at their inner ends to an. attaching-bar 8, secured to the under side of the platen in any suitable manner-as, for instance, by headed screws 9. The abutment Gis located directlyunder and in coperative relation with the left-hand side member or rail of the frame 3, so that when the frame occupies its normal depressed position (shown in Fig. 1) the gageabutment 6 is held depressed. When, however, the machine-supporting frame 3 is swung up, as shown in Fig. 2, to release the work-sheet 4, the abutment 6 is elevated by the spring-arms 7 to present a comparatively extensive surface in position to be engaged by the left-hand edge of the new work-sheet, which is now positioned on the platen. Vhen the frame 3 is again lowered, it depresses the gage 6 and clamps the worksheet in an obvious manner. The position assumed by the gage-'abutment 6 when elevated is determined by adjustable stopscrews 10, movable with the arms 7 and arranged to abut against the under side of the platen 1, as shown in Fig. 2. The screws 1() are provided with lock-nuts 11 and 12, located above and below the arms 7 to prevent IOO accidental movementof the screws after they have been properly adjusted in the arms. It should be understood, however, that these screws might extend from the platen instead 5 of being lcarried by the arms, and, in fact, various other forms of stop mechanism might be'employed to limit the upward movement of the gage. Ordinarily the left-hand side only of the platen will be equipped with a Io gage-abutment; but under some conditions it may be desirable to provide additional abutments extending along another edge or other edges of the platen. In Fig. 4, for instance, is shown a platen equipped with gage- I 5 abutments extending along the opposite side edges thereof and with a short abutment extending along the front edge of the platen, the construction and operation of all of the abutments being essentially the same. Atzo tention is directed to the fact that thevgageabutment 6 constitutes means for properly alining the work-sheet on the platen and that the machine-supporting frame constitutes cooperating means for confining or 2 5 holding the alined sheet in proper position during the printing operation. It will also be noted'that the gage abutment or abutments are located outside of the connes of the platen and are automatically elevated 3o or depressed, accordingly as the machinesupporting frame is raised or lowered.

What I claim, and desire to secure by Letters Patent, is-

1. In a type-writing machine, the combi- 3 5 nation with a flat platen, of a vertically-movable gage-abutment located beyond the limits thereof, and a machine-support cooperating with the'gage-abutment to aline and hold, the work.

2. In a type-writing machine, the combination with a flat platen, of a verticallyyielding gage-abutment located beyond the limits of the platen and extending continuously along one edge thereof, and a movable machine-support arranged to clamp a worksheet on the platen and to move the gageabutment.

3. In a type-writing machine, the combination with a fiat platen, of an overlying 5o machine-supporting frame movable toward and from the platen, and a downwardlyyielding gage-abutment extending'along the platen beyond the edge thereof and disposed opposite the frame to be depressed thereby '5 5 when said frame is moved to clamp the work element on the platen.

4. In a type-Writing machine, the combination with a fiat platen, of a gage-abutment located beyond the limits of the platen, and

6omeans for yieldingly supporting the gageabutment from the platen.

5. In a type-Writing machine, the combination with a iiat platen, of a resilient support extending laterally from the platen, and

a gage-abutment carried by said support.

6. In a type-writing machine, the combination with a flat platen, of a gage-abutment extending along one edge thereof, spring-arms supporting the abutment, and means for securing said .arms to the platen.

7. In a type-Writing machine, the combination with al flat platen, of a gage-abutment extending along one edge thereof, spring-arms supporting the abutment, an attaching-bar secured to the arms, and means for detachably securing the attaching-bar to the platen.

8. In a type-writing machine, the combination with a flat platen, of a gage-abutment located at one edge of the platen andextended above the writing-surface thereof, Iand means for yieldingly supporting the gageabutment from the under side of the platen. 9. 'In a type-writing machine, the combination with a fiat platen, of a vertically-movable gage-abutment extending along one edge thereof, and an adjustable stop cooperating vn'th the gage-abutment and platen t'o regulate the extent of movement of said abut-y ment.

10. In a type-Writing machine, the combination with a flat platen, of a gage-abutment extending along one edge thereof, resilient means urging the abutment to its operative position, and an adjustable stop for arresting the abutment at the proper point.

11. In a type-writing machine, the combination with a Hat platen, spring-arms extended therefrom, a gage-abutment carried by the arms and located along one edge of the platen, and adjustable stops cooperating with the arms and platen to properly position the gage-abutment.

12. In a type-writing machine, the combination with a flat platen, of an attaching-bar secured to the under side thereof, spring-arms extended beyond one edge of the platen from said bar, a gage-abutment carried by the arms and extended above the writing-surface of the platen, and stops adjustably carried by the arms and engaging the platen.

13. In a type-Writing machine, the combination with a fiat platen, of a vertically-yielding gage-abutment located beyond the limits of the platen, and a movable machine-support larranged to clamp the Work-sheet on the platen and to move the gage-abutment.

14. In a type-Writing machine, the combination with a flat platen, of a vertically-movable gage-abutment located beyond the limits thereof, and a machine-support mounted to swing toward and from the surface of the platen and arranged to depress the gageabutment.

In testimony that I claim the foregoing as my own I have hereto affixed my signature in therpresence of two witnesses.

HERBERT D. BOLTON.

Witnesses:

JAMES A. GURNEE, I/VM. F. LETT.

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